Long-term estimation-based burst control algorithm in OBS networks

By taking advantage of statistical multiplexing gain in the burst level, optical burst switching (OBS) technology enables optical Internet to handle huge volume of data in an efficient manner without requiring optical buffers in the optical domain. However, when congestion builds up in the optical n...

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Bibliographic Details
Published inPhotonic network communications Vol. 17; no. 3; pp. 292 - 298
Main Authors Yoo, Myungsik, Hwang, Junho
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.06.2009
Subjects
Characterization and Evaluation of Materials
Computer Communication Networks
Computer Science
Electrical Engineering
Optical burst switching
Fiber delay line
Contention resolution
Congestion control
Estimation
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ISSN1387-974X
1572-8188
DOI10.1007/s11107-008-0163-9

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Summary:By taking advantage of statistical multiplexing gain in the burst level, optical burst switching (OBS) technology enables optical Internet to handle huge volume of data in an efficient manner without requiring optical buffers in the optical domain. However, when congestion builds up in the optical network core, large amount of data might be lost. In this article, we propose an efficient optical burst control algorithm that operates based on the awareness of future burst traffic condition to eliminate the effect of congestion reaction delay. The proposed algorithm takes advantage of multiple statistics to improve the estimation accuracy.Through performance evaluation, it is verified that the proposed algorithm proactively controls inbound burst traffic so that the OBS network can stay in a stable traffic condition while keeping the network throughput high.
ISSN:1387-974X
1572-8188
DOI:10.1007/s11107-008-0163-9